"Holler Down " means "to engage in a conversation".

"Hey, I need to holler down quick fast, know what I'm saying?", accompanied with "the look", roughly translates as "don't interrupt me, I'm engaging in a conversation".
"Hey, I need to holler down quick fast, know what I'm saying?", accompanied with "the look", roughly translates as "don't interrupt me, I'm engaging in a conversation".

Source, Detroit City, mid to late sixties.
by HornedUngulate July 3, 2017
Get the holler down mug.